Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841358 | Motor current status sensor | — | 1998-11-24 |
| 5596515 | Microprocessor control circuit with inverted reset and extendable runtime | — | 1997-01-21 |
| 5439374 | Multi-level flame curent sensing circuit | — | 1995-08-08 |
| 5408573 | Integrated motor controller | Henry A. Gleason, III | 1995-04-18 |
| 5051936 | Microprocessor-based controller with synchronous reset | Henry A. Gleason, III | 1991-09-24 |
| 4677357 | Furnace draft control with remote control feature | Scott L. Spence, Thomas E. Hayes | 1987-06-30 |
| 4626681 | Differential pressure control apparatus | Thomas E. Hayes, Scott L. Spence | 1986-12-02 |
| 4581697 | Controller for combustible fuel burner | Henry A. Gleason, III | 1986-04-08 |
| 4506827 | Battery powered thermostat | Henry A. Gleason, III | 1985-03-26 |
| 4387437 | Runners watch | John William Lowrey, III, Tom M. Hyltin | 1983-06-07 |
| 4337822 | Digital thermostat | Tom M. Hyltin | 1982-07-06 |
| 4264034 | Digital thermostat | Tom M. Hyltin | 1981-04-28 |